package com.kylin.config;

import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {


    //3.ShiroFilterFactoryBean
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("getDefaultWebSecurityManager") DefaultWebSecurityManager defaultWebSecurityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);
        //添加shiro的内置过滤器
        /*
        * anon：无需认证就可以访问
        * authc：必须认证了才能访问
        * user：必须拥有记住我功能才能用
        * perms：拥有对某个资源的权限才能访问
        * role：拥有某个角色权限才能访问
        * */
        //拦截
        Map<String,String> filterMap = new LinkedHashMap<>();
        //filterMap.put("/user/add","authc");
        //filterMap.put("/user/update","authc");
        //授权

        filterMap.put("/user/add","perms[user:add]");//必须是user用户拥有add权限才能访问
        filterMap.put("/user/update","perms[user:update]");//必须是user用户拥有update权限才能访问
        filterMap.put("/user/*","authc");

        bean.setFilterChainDefinitionMap(filterMap);
        //设置登录的请求
        bean.setLoginUrl("/toLogin");
        //设置未授权的页面
        bean.setUnauthorizedUrl("/noauth");
        return bean;
    }

    //2.DefaultWebSecurityManager
    @Bean
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
        DefaultWebSecurityManager SecurityManager = new DefaultWebSecurityManager();

        //关联UserRealm
        SecurityManager.setRealm(userRealm);
        return SecurityManager;

    }


    //1.创建realm对象，需要自定义类
    @Bean
    public UserRealm userRealm(){
        return new UserRealm();
    }

    //整合ShiroDialect：用来整合 shiro thymeleaf
    @Bean
    public ShiroDialect getShiroDialect(){
        return new ShiroDialect();
    }
}
